Answer
See below.
Work Step by Step
We know that if $a^x=y$, then $\log_a y=x$ and vice versa.
Hence here $2^4=16=\sqrt{x+5}\\256=x+5\\x=251$.
College Algebra (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0321979478
ISBN 13:
978-0-32197-947-6
Chapter 9 - Section 9.4 - Mathematical Induction - 9.4 Assess Your Understanding - Page 671: 35
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